I know nothing except the fact of my ignorance.

The man who is truly wise knows that he knows very little.

Man must rise above the Earth - to the top of the atmosphere and beyond - for only thus will he fully understand the world in which he lives.

When desire, having rejected reason and overpowered judgment which leads to right, is set in the direction of the pleasure which beauty can inspire . . .

By all implies marry if you get a great wife/husband, you are going to be pleased. If you get a bad a single, you are going to become a philosopher.

The greatest blessing granted to mankind come by way of madness, which is a divine gift.

Nobody knows anything, but I, knowing nothing, am the smartest man in the world.